body {
    margin: 0;
    font-family: Arial, sans-serif;
    line-height: 1.5;
    color: #222;
    background: #fff;
}

main {
    max-width: 900px;
    margin: 0 auto;
    padding: 1.5rem;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;

    padding: 1rem 1.5rem;

    border-bottom: 1px solid #ddd;
}

header nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

header a {
    color: inherit;
    text-decoration: none;
}

header a:hover {
    text-decoration: underline;
}

header form {
    margin: 0;
}

header button {
    font: inherit;
    color: inherit;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    text-decoration: underline;
}

header nav:first-child > a:first-child {
    font-weight: bold;
}

h1,
h2,
h3 {
    line-height: 1.2;
}

a {
    color: #005fcc;
}

form {
    margin: 1rem 0;
}

label {
    display: block;
    margin-bottom: 0.25rem;
    font-weight: 600;
}

input,
select,
button {
    font: inherit;
}

input,
select {
    width: 100%;
    max-width: 400px;
    box-sizing: border-box;

    padding: 0.6rem 0.7rem;

    border: 1px solid #bbb;
    border-radius: 4px;

    background: #fff;
}

button {
    padding: 0.6rem 0.9rem;

    border: 1px solid #999;
    border-radius: 4px;

    background: #f5f5f5;
    cursor: pointer;
}

button:hover {
    background: #eee;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: 0.65rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

audio {
    width: 100%;
    max-width: 600px;
}

.card,
.account-wall {
    padding: 1rem;
    margin: 1rem 0;

    border: 1px solid #ddd;
    border-radius: 6px;

    background: #fafafa;
}

.muted {
    color: #666;
}

@media (max-width: 600px) {
    header {
        align-items: flex-start;
        flex-direction: column;
    }

    header nav {
        flex-wrap: wrap;
    }

    main {
        padding: 1rem;
    }

    table {
        font-size: 0.95rem;
    }
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;

    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;

    padding: 0.75rem 1.5rem;

    background: #fff;
    border-bottom: 1px solid #ddd;
}

.site-brand {
    display: flex;
    align-items: center;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 0.6rem;

    color: inherit;
    text-decoration: none;
}

.brand-logo {
    display: block;
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.brand-name {
    font-size: 1.1rem;
    font-weight: 700;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.site-nav a {
    color: inherit;
    text-decoration: none;
}

.site-nav a:hover {
    text-decoration: underline;
}

.site-nav form {
    margin: 0;
}

.nav-link-button {
    padding: 0;
    border: 0;
    background: none;
    color: inherit;
    font: inherit;
    cursor: pointer;
    text-decoration: none;
}

.nav-link-button:hover {
    text-decoration: underline;
}

.nav-user {
    color: #666;
    font-size: 0.95rem;
}

@media (max-width: 600px) {
    .site-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .site-nav {
        flex-wrap: wrap;
    }
}